Hey guys, I see that one other person on the board recently had the same malfunction light come on. The problem is, mine was accompanied by a stumbling engine, and it just would not drive worth crap. The engine was REALLY running on reduced power. It was towed 40 miles to my local BMW dealership (my office is far away) and to this day, they still have not nailed the problem. The first part that they replaced was the VANOS solenoid, which did not fix the problem. They said there is about 15 difference error codes coming up, so they were hoping this would fix all of them. NOPE. It just so happened that the regional head of tech was by today to look at this, and he said that it looks like they may need to replace the entire VANOS assembly!!! They are going to have it for awhile, and at this point, no one knows exactly what is wrong, or what needs to be done to make the car usable again! This really blows my mind. It is like this car is so far advanced, BMW does not know how to fix it. I just thought I would share.

I am, but I don't think it has anything to do with it. I have been running an ESS tune now for many months with no problems at all. The only mods I have are the tune and an AFE filter...well wheels but those don't count. I have just been driving my car like a daily driver recently, nothing crazy. I do drive 40 miles each way to work, and it happened after I drove out there, of course. It could not happen in town!

I am, but I don't think it has anything to do with it. I have been running an ESS tune now for many months with no problems at all. The only mods I have are the tune and an AFE filter...well wheels but those don't count. I have just been driving my car like a daily driver recently, nothing crazy. I do drive 40 miles each way to work, and it happened after I drove out there, of course. It could not happen in town!

I am not sure if they checked the ICV at all. I could suggest that for them. My problem is different from the Powerchip problem. I was never revving the engine that high. Like I said, it is a daily driver, and was used just like a normal car, nothing crazy. Plus, I have had the ESS tune for a long time now, and those problems happened right after they received their tune.

I DSC lights came on . I went back to the dealer to see what was going on. And they told me it was my DSC ECU that had a malfuction. I notice there was a drop in power out on my car. I thought it was my exhaust people NOT have the right set up which made my car felt slow. But now Slower. Do anyone if this is also a problem. But i must say prior to my dash board lighting up like X-mas lights I did spend 1 full day at the race track with the MDM on so I don't know if this has cause the problems as well.

I DSC lights came on . I went back to the dealer to see what was going on. And they told me it was my DSC ECU that had a malfuction. I notice there was a drop in power out on my car. I thought it was my exhaust people NOT have the right set up which made my car felt slow. But now Slower. Do anyone if this is also a problem. But i must say prior to my dash board lighting up like X-mas lights I did spend 1 full day at the race track with the MDM on so I don't know if this has cause the problems as well.

please input.

Try resetting your ECU - disconnect ground from battery in boot of the car, leave it for 30 minutes, then hold down the brake for 60 seconds. Reconnect the battery...

I was experienced reduced power after a day at the track, resetting ECU cured it...